A PRECOOLER VALVE THAT IS ATTACHED TO THE DISCHARGE PORT OF THE ENGINE FAN. THE PURPOSE OF THE VALVE IS TO CONTROL THE THE FLOW OF COOLING AIR THROUGH THE HEAT EXCHANGER TO REGULATE THE TEMPERATURE OF THE BLEED AIR. THIS A PNEUMATICALLY ACTUATED, TEMPERATURE CONTROLLED, SPRING LOADED OPEN BUTTERFLY MODULATING VALVE WHICH IS FITTED TO A BOEING 737 CIVIL AIRCRAFT . WEIGHT 4.5KG

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S: GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8481TAPS, COCKS, VALVES AND SIMILAR APPLIANCES FOR PIPES, BOILER SHELLS, TANKS, VATS OR THE LIKE, INCLUDING PRESSURE REDUCING VALVES AND THERMOSTATICALLY CONTROLLED VALVES. GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 848180 OTHER APPLIANCES CN CODE 848180 BUTTERFLY VALVES TARIC CODE 8481808530 FOR USE IN CERTAIN TYPES OF AIRCRAFT. ALSO CLASSIFIED IN ACCORDANCE WITH: HSEN'S TO CHAPTER 8481